lookup.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 16 December 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | — | — | AS47292 | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (lookup.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.lookup.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | lookup.dk (all on lookup.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026061203 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@lookup.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-12-16 |
| Expires | 2026-12-31 (65d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 12:28:17 | 2149ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-16 08:55:44 | 1156ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 22:17:51 | 893ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 20:41:59 | 2685ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 18:50:12 | 840ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 23:45:26 | 858ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 21:10:36 | 726ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 08:55:21 | 828ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 14:57:27 | 713ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 07:33:17 | 2454ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-15 16:06:45 | 4649ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 17:55:30 | 9908ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-05 06:26:49 | 1373ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 13:24:35 | 947ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 15:35:50 | 16832ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-13 04:32:36 | 1094ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 18:40:00 | 2705ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 07:53:36 | 794ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 02:08:50 | 684ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 17:40:58 | 1282ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 17:06:58 shown | 1419ms | 5 NS 1 A 3 MX | 🔓 Insecure |